Fix bushy plans. Cleanup.

src/backend/optimizer/util/clauses.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.30 1999/02/14 22:24:25 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.31 1999/02/18 00:49:37 momjian Exp $
  *
  * HISTORY
  *	  AUTHOR			DATE			MAJOR EVENT
@@ -369,7 +369,7 @@ pull_constant_clauses(List *quals, List **constantQual)
  *
  */
 void
-clause_get_relids_vars(Node *clause, List **relids, List **vars)
+clause_get_relids_vars(Node *clause, Relids *relids, List **vars)
 {
 	List	   *clvars = pull_var_clause(clause);
 	List	   *var_list = NIL;

src/backend/optimizer/util/joininfo.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/joininfo.c,v 1.17 1999/02/15 05:21:11 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/joininfo.c,v 1.18 1999/02/18 00:49:37 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -38,16 +38,16 @@
 JoinInfo   *
 joininfo_member(List *join_relids, List *joininfo_list)
 {
-	List	   *i = NIL;
-	List	   *other_rels = NIL;
+	List	    *i;
 
 	foreach(i, joininfo_list)
 	{
-		other_rels = lfirst(i);
-		if (same(join_relids, ((JoinInfo *) other_rels)->unjoined_rels))
-			return (JoinInfo *) other_rels;
+		JoinInfo	*joininfo = (JoinInfo *)lfirst(i);
+
+		if (same(join_relids, joininfo->unjoined_relids))
+			return joininfo;
 	}
-	return (JoinInfo *) NULL;
+	return NULL;
 }
 
 
@@ -62,7 +62,7 @@ joininfo_member(List *join_relids, List *joininfo_list)
  *
  */
 JoinInfo   *
-find_joininfo_node(RelOptInfo *this_rel, List *join_relids)
+find_joininfo_node(RelOptInfo *this_rel, Relids join_relids)
 {
 	JoinInfo   *joininfo = joininfo_member(join_relids,
 										   this_rel->joininfo);
@@ -70,11 +70,10 @@ find_joininfo_node(RelOptInfo *this_rel, List *join_relids)
 	if (joininfo == NULL)
 	{
 		joininfo = makeNode(JoinInfo);
-		joininfo->unjoined_rels = join_relids;
+		joininfo->unjoined_relids = join_relids;
 		joininfo->jinfo_restrictinfo = NIL;
 		joininfo->mergejoinable = false;
 		joininfo->hashjoinable = false;
-		joininfo->bushy_inactive = false;
 		this_rel->joininfo = lcons(joininfo, this_rel->joininfo);
 	}
 	return joininfo;

src/backend/optimizer/util/pathnode.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.36 1999/02/15 03:22:16 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.37 1999/02/18 00:49:38 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -633,7 +633,7 @@ create_hashjoin_path(RelOptInfo *joinrel,
 	pathnode->jpath.path.pathorder->ordtype = SORTOP_ORDER;
 	pathnode->jpath.path.pathorder->ord.sortop = NULL;
 	pathnode->jpath.path.outerjoincost = (Cost) 0.0;
-	pathnode->jpath.path.joinid = (Relid) NULL;
+	pathnode->jpath.path.joinid = (Relids) NULL;
 	/* pathnode->hashjoinoperator = operator;  */
 	pathnode->path_hashclauses = hashclauses;
 	pathnode->outerhashkeys = outerkeys;

src/backend/optimizer/util/relnode.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.14 1999/02/15 03:22:17 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.15 1999/02/18 00:49:38 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -30,7 +30,7 @@
 RelOptInfo *
 get_base_rel(Query *root, int relid)
 {
-	List	   *relids;
+	Relids	relids;
 	RelOptInfo *rel;
 
 	relids = lconsi(relid, NIL);
@@ -53,7 +53,6 @@ get_base_rel(Query *root, int relid)
 		rel->restrictinfo = NIL;
 		rel->joininfo = NIL;
 		rel->innerjoin = NIL;
-		rel->superrels = NIL;
 
 		root->base_rel_list = lcons(rel, root->base_rel_list);
 
@@ -76,7 +75,6 @@ get_base_rel(Query *root, int relid)
 			bool		hasindex;
 			int			pages,
 						tuples;
-
 			/*
 			 * Otherwise, retrieve relation characteristics from the
 			 * system catalogs.
@@ -93,11 +91,10 @@ get_base_rel(Query *root, int relid)
 /*
  * get_join_rel
  *	  Returns relation entry corresponding to 'relid' (a list of relids),
- *	  creating a new one if necessary. This is for join relations.
- *
+ *	  or NULL.
  */
 RelOptInfo *
-get_join_rel(Query *root, List *relid)
+get_join_rel(Query *root, Relids relid)
 {
 	return rel_member(relid, root->join_rel_list);
 }
@@ -111,17 +108,17 @@ get_join_rel(Query *root, List *relid)
  *
  */
 RelOptInfo *
-rel_member(List *relid, List *rels)
+rel_member(Relids relids, List *rels)
 {
 	List	   *temp = NIL;
 	List	   *temprelid = NIL;
 
-	if (relid != NIL && rels != NIL)
+	if (relids != NIL && rels != NIL)
 	{
 		foreach(temp, rels)
 		{
 			temprelid = ((RelOptInfo *) lfirst(temp))->relids;
-			if (same(temprelid, relid))
+			if (same(temprelid, relids))
 				return (RelOptInfo *) (lfirst(temp));
 		}
 	}